SEQ — Sequence Details
EDIFACT segment
📘
Opens a sequence number. In just-in-time delivery calls it separates each delivery window: every SEQ starts a call, and the QTY and DTM segments that follow belong to it.
Example
SEQ++1'
Data Elements
| Pos. | Description |
|---|---|
02 | Sequence Number |
Code List
| Code | Meaning |
|---|---|
3 | Just In Sequence (JIS) |
6 | Sequence Confirmation |
Watch out
The number sits in the second element and the first is usually empty, which is why the segment looks like SEQ++1. A parser that skips the empty element reads the sequence number from the wrong position.